Notice
3 Apr 2025
environmental regulation, taxation, internal revenue service, superfund tax, isoprene rubber, isobutene
⚗️Superfund Tax on Isobutene-Isoprene Rubber
This notice of filing announces that a petition has been filed requesting that isobutene-isoprene rubber ((C<INF>4</INF>H<INF>8</INF>)<INF>n</INF>- (C<INF>5</INF>H<INF>8</INF>)<INF>m</INF>; n=99.10, m=0.90) be added to the list of taxable substances. This notice of filing also requests comments on the petition. This notice of filing is not a determination that the list of taxable substances is modified.
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